United States. Office of Adviser on Negro Affairs & Reid, I. D. A. (1970). The urban Negro worker in the United States, 1925-1936: An analysis of the training, types, and conditions of employment and the earnings of 200,000 skilled and white-collar Negro workers. Negro Universities Press.
Citazione stile Chigago Style (17a edizione)United States. Office of Adviser on Negro Affairs e Ira De Augustine Reid. The Urban Negro Worker in the United States, 1925-1936: An Analysis of the Training, Types, and Conditions of Employment and the Earnings of 200,000 Skilled and White-collar Negro Workers. Westport, Conn.: Negro Universities Press, 1970.
Citatione MLA (8a ed.)United States. Office of Adviser on Negro Affairs e Ira De Augustine Reid. The Urban Negro Worker in the United States, 1925-1936: An Analysis of the Training, Types, and Conditions of Employment and the Earnings of 200,000 Skilled and White-collar Negro Workers. Negro Universities Press, 1970.